From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
coresight@lists.linaro.org, linux-kernel@vger.kernel.org
Subject: [PATCH V2 4/4] coresight: trbe: Enable ACPI based TRBE devices
Date: Tue, 1 Aug 2023 15:10:52 +0530 [thread overview]
Message-ID: <20230801094052.750416-5-anshuman.khandual@arm.com> (raw)
In-Reply-To: <20230801094052.750416-1-anshuman.khandual@arm.com>
This detects and enables ACPI based TRBE devices via the dummy platform
device created earlier for this purpose.
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
drivers/hwtracing/coresight/coresight-trbe.c | 9 +++++++++
drivers/hwtracing/coresight/coresight-trbe.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
index e1d9d06e7725..f884883e9018 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.c
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -1537,7 +1537,16 @@ static const struct of_device_id arm_trbe_of_match[] = {
};
MODULE_DEVICE_TABLE(of, arm_trbe_of_match);
+#ifdef CONFIG_ACPI
+static const struct platform_device_id arm_trbe_acpi_match[] = {
+ { ARMV8_TRBE_PDEV_NAME, 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(platform, arm_trbe_acpi_match);
+#endif
+
static struct platform_driver arm_trbe_driver = {
+ .id_table = arm_trbe_acpi_match,
.driver = {
.name = DRVNAME,
.of_match_table = of_match_ptr(arm_trbe_of_match),
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
index 77cbb5c63878..94e67009848a 100644
--- a/drivers/hwtracing/coresight/coresight-trbe.h
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -12,6 +12,7 @@
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/of.h>
+#include <linux/perf/arm_pmu.h>
#include <linux/platform_device.h>
#include <linux/smp.h>
--
2.25.1
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next prev parent reply other threads:[~2023-08-01 9:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-01 9:40 [PATCH V2 0/4] coresight: trbe: Enable ACPI based devices Anshuman Khandual
2023-08-01 9:40 ` [PATCH V2 1/4] arm_pmu: acpi: Refactor arm_spe_acpi_register_device() Anshuman Khandual
2023-08-01 14:49 ` Will Deacon
2023-08-02 2:44 ` Anshuman Khandual
2023-08-01 9:40 ` [PATCH V2 2/4] arm_pmu: acpi: Add a representative platform device for TRBE Anshuman Khandual
2023-08-01 14:51 ` Will Deacon
2023-08-02 1:07 ` Anshuman Khandual
2023-08-02 10:11 ` Suzuki K Poulose
2023-08-03 4:06 ` Anshuman Khandual
2023-08-01 9:40 ` [PATCH V2 3/4] coresight: trbe: Add a representative coresight_platform_data " Anshuman Khandual
2023-08-01 9:40 ` Anshuman Khandual [this message]
2023-08-01 14:52 ` [PATCH V2 0/4] coresight: trbe: Enable ACPI based devices Will Deacon
2023-08-02 0:51 ` Anshuman Khandual
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